1 加法 72 等于多少？
1 + 72 = 73
1加法72 等于 73
竖式演算
验算
- 用减法验算：73 − 72 = 1
- 用减法验算：73 − 1 = 72
相关题目
1 + 71 = 72
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1 + 69 = 70
1 + 76 = 77
1 + 68 = 69
2 + 72 = 74
3 + 72 = 75
4 + 72 = 76
5 + 72 = 77
6 + 72 = 78
7 + 72 = 79
8 + 72 = 80
9 + 72 = 81
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3 + 70 = 73
4 + 69 = 73
5 + 68 = 73
6 + 67 = 73
7 + 66 = 73
7 + 50 = 57
1 + 62 = 63
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74 - 1 = 73
1 × 73 = 73